Holidaymakers in the Mediterranean are being warned about an increasing infestation of toxic toadfish, a species known for its razor-sharp teeth and deadly natural poison. These fish, capable of inflicting severe injuries, have become a growing presence in popular tourist areas.

The toadfish carries tetrodotoxin, one of the most potent natural poisons, which is concentrated in its liver. While the specific danger to humans from this particular toadfish species is not fully detailed in the provided notes, the presence of tetrodotoxin highlights a significant biological hazard associated with the fish.

Reports indicate that these fish possess teeth sharp enough to cut through human bone, posing a physical threat to swimmers and divers. The infestation has led to concerns for public safety in coastal regions that are popular summer destinations.